BMW 188mm oem LSD swap kit into E46/E39 188k 19.15 mm Spacer Thickness

Transform your BMW E46’s driving dynamics with the RacingDiffs ZF Plated Limited Slip Differential (LSD) Installation Kit. This kit lets you install a factory ZF plated LSD core from E30 / E36 / E34 into the E46 188K differential housing—complete with crown-gear spacers tailored to your final-drive ratio.
What’s Included
Adapter components to install a ZF plated LSD unit (from E30/E36/E34) into an E46 188K differential housing.
Custom crown-gear spacers matched to your gear ratio (see Spacer Selection table under technical specs section).
Step-by-step tutorial for the swap process, plus video resources on rebuilding the 188 mm ZF LSD.
This kit installs an E30/E36/E34 ZF plated LSD core into an E46 188K differential. Below is the complete 188K chassis/application list for reference.
Fitments:3 Series — E46 (target kit)
5 Series — E39
7 Series — E38
X models — E83 (X3)
X models — E53 (X5)
Z models — E85 / E86 (Z4)
Note: Only E46 188K uses this installation kit. Other 188K chassis are listed for fitment reference (e.g., component sourcing / cross-compatibility).